Convert NII.GZ to DIS

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting NII.GZ files in under two minutes.

Install reaConverter

2. Load your NII.GZ files

Open reaConverter and add your NII.GZ files. You can load individual files, entire folders, or even nested subfolders.

Drop your NII.GZ files into the window or use File menu to browse and select folders.

3. Select DIS as output format

Choose DIS as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

4. Start NII.GZ to DIS conversion

Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

After conversion, find your DIS files in the output folder. Click 'Show converted files' to open it directly.